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Calendar of Upcoming Events

Below are training events currently scheduled:

 

2026:       Details and links will be updated as they are available on these events where

                   Dave is presenting!

 

                           - New Datums, New Coordinates, New Heights

  • Aug 7          Prof. College of Engineers and Land Surveyors of Puerto Rico   San Juan, PR

  • Aug 8          Prof. College of Engineers and Land Surveyors of Puerto Rico   Mayaguez, PR

                           Details TBA

  • Sep 17        Rhode Island Society of Professional Land Surveyors                 Warwick, RI

                           Details TBA

                         

WorkshopReviews

 

What people are saying about Dave and Base 9 Geodetic Consulting Services workshops:

 

  • "Dave is the Rosetta Stone of Geodesy."

  • "Great speaker!! Very informed; please come back."

  • "Always learn new things from David Doyle.""

  • "A great speaker. Very knowledgeable and easy to listen to. Lots of good information."

  • "Extremely informative. Dave is always an excellent presenter."

  • "Would like to see this seminar each year to keep updated on NSRS."

  • "You are the Neil deGrasse Tyson of Surveying"

  • "Invaluable presenter with wealth of knowledge and the wisdom to make understanding content easier."

  • "Instructor extremely informative and knowledgeable. Would recommend every surveyor take his class."

  • "This course should be repeated in future conferences."

  • "Good speaker and did not talk over our heads."

  • "Very experienced, based on 'real world' experience."

 

You can contact these organizations, who have hosted Base 9 Geodetic Consulting Services seminars, for references/reviews:

Arkansas Society of Professional Surveyors - October 2025

Missouri Society of Professional Land Surveyors - October 2025

Virginia Association of Surveyors - April 2025

California Land Surveyors Association - March 2025

Nevada Association of Surveyors - March 2025

Maryland Surveyors Society - March 2025

Idaho Society of Professional Land Surveyors - February 2026​​

New Jersey Society of Professional Land Surveyors - February 2026

Montana Association of Registered Land Surveyors - March 2026

Land Surveyors Association of Washington - February 2026

 

Videos/recordings of Dave's seminars:

-- "Relationship of and transformations between most common reference frames used in the U.S."; January 30, 2015 

-- "Modernization of the National Spatial Reference System "; March 14, 2014

-- Fundamentals of Geodesy, part 1 November 14, 2014, 4:24

-- NGS Datasheets Tips, January 12, 2015, 3:59

-- and many others!

SeminarExamples
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